quiz scores

for(int pos = 0; pos < quizScores.length; pos++)
            total = total + quizScores[pos];

        //System.out.println(total);

        average = total/10;

        if(average<=5)
        {
            ibGrade = 0;
        }
        if(average>5)
        {
            ibGrade = 1;
        }
        if(average>=10)
        {
            ibGrade = 2;
        }
        if(average>=20)
        {
            ibGrade = 3;
        }
        if(average>=30)
        {
            ibGrade = 4;
        }
        if(average>=45)
        {
            ibGrade = 5;
        }
        if(average>=65)
        {
            ibGrade = 6;
        }
        if(average>=80)
        {
            ibGrade = 7;
        }

        System.out.println("IB grade " + ibGrade);

    }//class ends

}//program ends